@import "https://fonts.googleapis.com/css2?family=Syne:wght@400;500;700;800&family=DM+Sans:wght@300;400;500&display=swap";
:root{--bg:#0a0a0f;--bg-2:#14141d;--surface:#ffffff08;--surface-2:#ffffff0d;--border:#ffffff12;--border-hover:#ff900066;--foreground:#f0ede8;--muted:#f0ede880;--primary:#ff9000;--primary-hover:#fa3;--primary-dim:#ff90001f;--success:#10b981;--success-dim:#10b9811f;--radius:14px;--radius-sm:8px;--shadow-glow:0 0 0 1px #ff900033, 0 8px 32px #ff900014;--shadow-card:0 4px 24px #0006}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--foreground);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:DM Sans,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}.container{z-index:1;max-width:1160px;margin:0 auto;padding:0 24px;position:relative}.qfh-nav{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0a0a0ff2;border-bottom:.5px solid #ffffff14;justify-content:space-between;align-items:center;padding:18px 40px;display:flex;position:sticky;top:0}.qfh-logo{letter-spacing:-.5px;color:#fff;font-family:Syne,sans-serif;font-size:20px;font-weight:800}.qfh-logo span{color:var(--primary)}.qfh-nav-links{gap:28px;list-style:none;display:flex}.qfh-nav-links a{color:#f0ede88c;letter-spacing:.3px;font-size:13px;font-weight:400;text-decoration:none;transition:color .2s}.qfh-nav-links a:hover{color:var(--primary)}.qfh-nav-right{color:#f0ede866;align-items:center;gap:16px;font-size:13px;display:flex}.qfh-lang{color:#f0ede899;cursor:pointer;background:0 0;border:.5px solid #ffffff26;border-radius:6px;padding:5px 10px;font-size:12px;text-decoration:none;transition:all .2s}.qfh-lang.active,.qfh-lang:hover{border-color:var(--primary);color:var(--primary)}.qfh-hero{text-align:center;padding:90px 40px 70px;position:relative}.qfh-hero:before{content:"";background:radial-gradient(ellipse at center, var(--primary-dim) 0%, transparent 70%);pointer-events:none;width:600px;height:400px;position:absolute;top:0;left:50%;transform:translate(-50%)}.qfh-badge{color:var(--primary);letter-spacing:.5px;border:.5px solid #ff90004d;border-radius:100px;align-items:center;gap:6px;margin-bottom:28px;padding:6px 14px;font-size:12px;display:inline-flex}.qfh-badge-dot{background:var(--primary);border-radius:50%;width:6px;height:6px;animation:2s ease-in-out infinite pulse-dot}@keyframes pulse-dot{0%,to{opacity:1}50%{opacity:.3}}.qfh-hero h1{letter-spacing:-2px;max-width:640px;margin-bottom:20px;margin-left:auto;margin-right:auto;font-family:Syne,sans-serif;font-size:clamp(38px,5vw,58px);font-weight:800;line-height:1.05}.qfh-hero h1 em{color:var(--primary);font-style:normal}.qfh-hero p{color:#f0ede880;max-width:440px;margin:0 auto 36px;font-size:16px;font-weight:300;line-height:1.7}.qfh-pills{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.qfh-pill{color:#f0ede8a6;background:#ffffff08;border:.5px solid #ffffff1a;border-radius:100px;align-items:center;gap:7px;padding:9px 16px;font-size:13px;display:flex}.qfh-pill i{color:var(--primary);font-size:14px}.qfh-section{max-width:1160px;margin:0 auto;padding:0 40px 60px}.qfh-section-header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.qfh-section-icon{border-radius:9px;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex}.qfh-section-icon.img{color:#60a8ff;background:#3582ff26}.qfh-section-icon.pdf{color:#f96b6b;background:#f2646426}.qfh-section-icon.util{background:var(--primary-dim);color:var(--primary)}.qfh-section-title{letter-spacing:.5px;font-family:Syne,sans-serif;font-size:15px;font-weight:700}.qfh-divider{background:#ffffff12;flex:1;height:.5px}.qfh-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));justify-content:center;gap:16px;display:grid}.qfh-card{cursor:pointer;background:#ffffff08;border:.5px solid #ffffff12;border-radius:14px;padding:18px 16px;text-decoration:none;transition:all .2s;display:block;position:relative;overflow:hidden}.qfh-card:before{content:"";opacity:0;border-radius:14px;transition:opacity .2s;position:absolute;inset:0}.qfh-card.img-card:before{background:#3582ff0d}.qfh-card.pdf-card:before{background:#f264640d}.qfh-card.util-card:before{background:var(--primary-dim)}.qfh-card:hover{border-color:#ffffff26;transform:translateY(-2px)}.qfh-card:hover:before{opacity:1}.qfh-card-icon{margin-bottom:12px;font-size:24px}.qfh-card.img-card .qfh-card-icon{color:#60a8ff}.qfh-card.pdf-card .qfh-card-icon{color:#f96b6b}.qfh-card.util-card .qfh-card-icon{color:var(--primary)}.qfh-card-name{color:#f0ede8e6;margin-bottom:5px;font-family:Syne,sans-serif;font-size:14px;font-weight:700;line-height:1.3}.qfh-card-desc{color:#f0ede873;font-size:12px;line-height:1.5}.qfh-arrow{color:#f0ede833;font-size:14px;transition:all .2s;position:absolute;top:14px;right:14px}.qfh-card:hover .qfh-arrow{color:#f0ede899;transform:translate(2px,-2px)}.qfh-how{border-top:.5px solid #ffffff0f;border-bottom:.5px solid #ffffff0f;margin-bottom:60px;padding:60px 40px}.qfh-how-label{letter-spacing:2px;color:var(--primary);text-transform:uppercase;text-align:center;margin-bottom:36px;font-size:11px}.qfh-steps{grid-template-columns:1fr auto 1fr auto 1fr;align-items:start;gap:0;max-width:600px;margin:0 auto;display:grid}@media (max-width:640px){.qfh-steps{grid-template-columns:1fr;gap:24px}.qfh-step-arrow{display:none}}.qfh-step{text-align:center;padding:0 8px}.qfh-step-num{width:44px;height:44px;color:var(--primary);border:.5px solid #ff900040;border-radius:50%;justify-content:center;align-items:center;margin:0 auto 14px;font-family:Syne,sans-serif;font-size:15px;font-weight:700;display:flex}.qfh-step-title{margin-bottom:6px;font-family:Syne,sans-serif;font-size:14px;font-weight:700}.qfh-step-desc{color:#f0ede866;font-size:12px;line-height:1.5}.qfh-step-arrow{color:#ff90004d;padding-top:14px;font-size:18px}.qfh-footer{text-align:center;color:#f0ede840;border-top:.5px solid #ffffff0f;margin-top:40px;padding:40px;font-size:12px}.qfh-footer a{color:#ff900099;text-decoration:none}.qfh-footer a:hover{color:var(--primary)}.breadcrumb{color:#f0ede866;align-items:center;gap:8px;padding:20px 40px 0;font-size:13px;display:flex}.breadcrumb a{color:#f0ede866;transition:color .2s}.breadcrumb a:hover{color:var(--primary)}.breadcrumb-sep{color:var(--border)}.breadcrumb-current{color:var(--foreground);font-weight:500}.tool-page{max-width:680px;margin:0 auto;padding:20px 40px 80px}@media (max-width:640px){.tool-page,.breadcrumb{padding-left:20px;padding-right:20px}}.tool-header{align-items:center;gap:14px;margin-top:24px;margin-bottom:12px;display:flex}.tool-header-icon{background:var(--surface-2);border:1px solid var(--border);width:52px;height:52px;color:var(--primary);border-radius:14px;justify-content:center;align-items:center;font-size:24px;display:flex}.tool-header h1{letter-spacing:-.5px;font-family:Syne,sans-serif;font-size:1.8rem;font-weight:800}.tool-desc{color:var(--muted);margin-bottom:32px;font-size:14px;line-height:1.7}.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px}.dropzone{border:1.5px dashed var(--border);text-align:center;cursor:pointer;background:#ffffff05;border-radius:12px;margin-bottom:24px;padding:48px 24px;transition:border-color .2s,background .2s;position:relative}.dropzone:hover,.dropzone.dragging{border-color:var(--primary);background:var(--primary-dim)}.dropzone input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;inset:0}.dropzone-icon{color:var(--primary);margin-bottom:12px;font-size:40px}.dropzone-title{color:var(--foreground);margin-bottom:6px;font-family:Syne,sans-serif;font-size:16px;font-weight:700}.dropzone-sub{color:var(--muted);font-size:13px}.btn{border-radius:var(--radius-sm);cursor:pointer;letter-spacing:.2px;border:none;justify-content:center;align-items:center;gap:8px;padding:11px 22px;font-family:DM Sans,sans-serif;font-size:14px;font-weight:700;text-decoration:none;transition:all .2s;display:inline-flex}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important}.btn-primary{background:var(--primary);color:#000}.btn-primary:hover:not(:disabled){background:var(--primary-hover);box-shadow:0 4px 14px #ff900040}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#0ea573;box-shadow:0 4px 14px #10b98140}.btn-outline{color:var(--primary);background:0 0;border:1px solid #ff900066}.btn-outline:hover:not(:disabled){background:var(--primary-dim)}.btn-block{width:100%}.format-toggle{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.format-btn{border:1px solid var(--border);background:var(--surface-2);color:var(--muted);cursor:pointer;letter-spacing:.5px;border-radius:8px;padding:8px 20px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:700;transition:all .2s}.format-btn:hover{border-color:var(--border-hover);color:var(--foreground)}.format-btn.active{background:var(--primary);border-color:var(--primary);color:#000}.file-info{background:var(--surface-2);border-radius:var(--radius-sm);border:1px solid var(--border);align-items:center;gap:12px;margin-bottom:16px;padding:12px 16px;font-size:13px;display:flex}.file-info-name{white-space:nowrap;text-overflow:ellipsis;flex:1;font-weight:500;overflow:hidden}.file-info-size{color:var(--muted);white-space:nowrap}.file-info-remove{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:4px;padding:2px 6px;font-size:16px;line-height:1;transition:background .2s,color .2s}.file-info-remove:hover{color:#ff5050;background:#ff505026}.progress-wrap{margin:16px 0}.progress-label{color:var(--muted);justify-content:space-between;margin-bottom:6px;font-size:13px;display:flex}.progress-bar{background:var(--surface-2);border-radius:100px;width:100%;height:6px;overflow:hidden}.progress-fill{background:var(--primary);border-radius:100px;height:100%;transition:width .3s}.stats-row{grid-template-columns:1fr 1fr;gap:12px;margin:20px 0;display:grid}.stat-box{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-sm);text-align:center;padding:14px}.stat-box.success{background:var(--success-dim);border-color:#10b9814d}.stat-label{color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:4px;font-size:11px}.stat-value{font-family:Syne,sans-serif;font-size:18px;font-weight:700}.stat-box.success .stat-value{color:var(--success)}.savings-badge{background:var(--success-dim);color:var(--success);border:1px solid #10b9814d;border-radius:100px;align-items:center;gap:6px;margin-bottom:20px;padding:6px 14px;font-size:13px;font-weight:700;display:inline-flex}.preview-grid{grid-template-columns:1fr 1fr;gap:12px;margin:16px 0;display:grid}.preview-box{background:var(--surface-2);border:1px solid var(--border);border-radius:10px;overflow:hidden}.preview-box img{object-fit:contain;width:100%;height:140px;padding:8px;display:block}.preview-label{color:var(--muted);text-align:center;border-top:1px solid var(--border);letter-spacing:.5px;text-transform:uppercase;padding:6px;font-size:11px;font-weight:700}.preview-label.success{color:var(--success)}.slider-wrap{margin-bottom:20px}.slider-header{justify-content:space-between;margin-bottom:8px;font-size:13px;display:flex}.slider-header span{color:var(--muted)}.slider-val{color:var(--primary);font-weight:700}input[type=range]{-webkit-appearance:none;background:var(--surface-2);border:none;border-radius:100px;outline:none;width:100%;height:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;background:var(--primary);cursor:pointer;border-radius:50%;width:18px;height:18px;box-shadow:0 0 0 3px #ff900033}.success-box{background:var(--success-dim);text-align:center;border:1px solid #10b98140;border-radius:12px;margin-top:20px;padding:20px}.success-box-title{color:var(--success);margin-bottom:4px;font-size:16px;font-weight:700}.success-box-sub{color:var(--muted);margin-bottom:16px;font-size:13px}.related-section{margin-top:60px}.related-title{letter-spacing:2px;color:var(--muted);text-transform:uppercase;margin-bottom:16px;font-size:11px;font-weight:700}.related-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;display:grid}.related-card{background:var(--surface);border:1px solid var(--border);color:var(--foreground);border-radius:12px;align-items:center;gap:12px;padding:16px;font-size:14px;font-weight:600;transition:border-color .2s,background .2s;display:flex;text-decoration:none!important}.related-card:hover{border-color:var(--border-hover);background:var(--primary-dim);color:var(--primary)}.related-icon{font-size:18px}.quality-hint{color:var(--muted);margin-top:4px;font-size:12px}.divider{background:var(--border);height:1px;margin:24px 0}.qfh-legal-page{min-height:calc(100vh - 200px);padding:60px 40px}.qfh-legal-container{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);max-width:800px;margin:0 auto;padding:40px 48px}.qfh-legal-container h1{color:var(--primary);letter-spacing:-.5px;margin-bottom:24px;font-family:Syne,sans-serif;font-size:2.2rem;font-weight:800}.qfh-legal-container h2{color:var(--foreground);margin-top:36px;margin-bottom:16px;font-family:Syne,sans-serif;font-size:1.4rem;font-weight:700}.qfh-legal-container p{color:#f0ede8b3;margin-bottom:16px;font-size:15px;line-height:1.8}.qfh-legal-container ul{color:#f0ede8b3;margin-bottom:16px;padding-left:20px;font-size:15px;line-height:1.8}.qfh-legal-container li{margin-bottom:8px}.qfh-legal-container strong{color:var(--foreground)}.qfh-contact-box{background:var(--surface-2);border:1px dashed var(--border);border-radius:var(--radius-sm);text-align:center;margin:24px 0;padding:24px;font-size:16px}.qfh-contact-box a{color:var(--primary);font-weight:500;text-decoration:none}.qfh-contact-box a:hover{text-decoration:underline}@media (max-width:640px){.qfh-legal-page{padding:40px 20px}.qfh-legal-container{padding:30px 24px}.qfh-legal-container h1{font-size:1.8rem}.qfh-nav{flex-direction:column;gap:16px;padding:16px 20px}.qfh-nav-links{flex-wrap:wrap;justify-content:center;gap:12px}.qfh-nav-right{flex-wrap:wrap;justify-content:center;gap:8px}.qfh-hero{padding:50px 20px 40px}.qfh-hero h1{letter-spacing:-1px;font-size:32px}.qfh-hero p{margin-bottom:24px;font-size:14px}.qfh-badge{margin-bottom:20px}.qfh-section{padding:0 20px 40px}}